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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-03-26 17:31:33 +0300
committerHans Verkuil <hverkuil-cisco@xs4all.nl>2023-04-11 17:59:18 +0300
commit98c58c97fd4dc16b686b8b2899d94f77ed31327e (patch)
tree8e41fe9d86db672b38e0be13601797976a225cd7
parent323dee6e0002c4f3f6f2046cd7264713c70cd535 (diff)
downloadlinux-98c58c97fd4dc16b686b8b2899d94f77ed31327e.tar.xz
media: media-dev: Convert to platform remove callback returning void
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is (mostly) ignored and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
-rw-r--r--drivers/media/platform/samsung/exynos4-is/media-dev.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/media/platform/samsung/exynos4-is/media-dev.c b/drivers/media/platform/samsung/exynos4-is/media-dev.c
index 6839007edf1d..c9cb9a216fae 100644
--- a/drivers/media/platform/samsung/exynos4-is/media-dev.c
+++ b/drivers/media/platform/samsung/exynos4-is/media-dev.c
@@ -1532,12 +1532,12 @@ err_md:
return ret;
}
-static int fimc_md_remove(struct platform_device *pdev)
+static void fimc_md_remove(struct platform_device *pdev)
{
struct fimc_md *fmd = platform_get_drvdata(pdev);
if (!fmd)
- return 0;
+ return;
fimc_md_unregister_clk_provider(fmd);
v4l2_async_nf_unregister(&fmd->subdev_notifier);
@@ -1550,8 +1550,6 @@ static int fimc_md_remove(struct platform_device *pdev)
media_device_unregister(&fmd->media_dev);
media_device_cleanup(&fmd->media_dev);
fimc_md_put_clocks(fmd);
-
- return 0;
}
static const struct platform_device_id fimc_driver_ids[] __always_unused = {
@@ -1568,7 +1566,7 @@ MODULE_DEVICE_TABLE(of, fimc_md_of_match);
static struct platform_driver fimc_md_driver = {
.probe = fimc_md_probe,
- .remove = fimc_md_remove,
+ .remove_new = fimc_md_remove,
.driver = {
.of_match_table = of_match_ptr(fimc_md_of_match),
.name = "s5p-fimc-md",